''Adiantum pedatum'', the northern maidenhair fern or five-fingered fern, is a species of fern in the family Pteridaceae, native to moist forests in eastern North America. Like other ferns in the genus, the name maidenhair refers to the slender, shining black stipes.

Several species have been segregated from the former ''A. pedatum'', ''sensu lato''. These include ''A. aleuticum'', ''A. viridimontanum'', ''A. myriosorum'', and ''A. subpedatum''. These all have fronds distinctively bifurcated.. more